This course provides a comprehensive overview of the Workload Manager functions. All the key features are described during this course, and details of the migration process to Goal mode are also covered. The course also includes a number of realistic practical hands-on exercises.<br><br>This course is also available for one-company, on-site presentations and for live presentation over the Internet, via the Virtual Classroom Environment service.
Workload Manager Fundamentals
A good general knowledge of how a z/OS MVS system works and how it is maintained and configured is a prerequisite for attending this course.
- define WLM service policies, service classes and classification rules
- describe the mechanisms for managing and balancing any workload in a WLMPlex
- explain the implications of using Workload Managed Batch and Resource Affinity Scheduling
- describe the changes required to migrate to a Workload Manager Goal mode environment
- carry out a migration to Goal mode and maintain the environment thereafter.
Workload Management Overview
IEAOPTxx special options; IEAOPTxx special assist processor options; IEAOPT adjusting constants; WLM concepts; Service Policies; Multi-system workload management; Workload reporting; Building the service definition; Service Policy; Creating workloads; Creating resource groups; Creating service classes; Goal types; Creating Service Classes; Application environments; IBM specified subsystems; Work qualifiers; Subsystems and work qualifiers; Classification Groups; System-provided Service Classes; Defining service policy overrides; Specifying overriding Goals for a Service Class; Service Definition; Classification rules for subsystems; Implementing WLM; VARY WLM command; Manuals on WLM.How WLM works
WLM components; WLM Considerations; Dispatchable Units (DUs); SRB types & priorities; SRB scheduling; SRB Enclaves; Dispatcher queues; Performance Index (PI); PI evaluation; Response Time calculation; Velocity calculation; Donor and receiver determination; Dispatching Priority Control; Dispatching Priority Assignment; INITTMP; Swap control; Storage Critical; Work Requests to WLM; Server Topology; Monitoring environment - CICS & IMS; Enclave management; DASD I/O priority management; Sysplex I/O Priority Management; Parallel Access Volumes (PAV); Policy Adjustment Function; Resource Adjustment Function; Workload management services.Workload Manager Applications
TSO workloads; Emergency TSO Service Class; WLM Batch Initiators; Scheduling Environment; WLM or JES Initiators?; Batch workloadsBatch workload Goals; Special Service Classes; STC default Service Classes; STC Service Class considerations; SYSSTC Service Class; DB2 Address Spaces; DDF enclaves; Classification rules for DDF; DDF Goal types; DB2 Stored Procedures; Sysplex Query Parallelism; CICS - Types of Goals; CICS Region Management Goal; CICS Transaction Management Goal; Transaction goal rules; Unix System Services (USS); Why USS uses WLM; UNIX Services fork and spawn function calls; USS Service Classes; USS Classification rules; Definitions for OMVS subsystem type work.Understanding RMF Reports
Resource Measurement Facility; SMF Records; Monitor II; Monitor III; Postprocessor Reports; Workload activity report reporting options; Workload activity report - Goal mode; RMF monitor I service class period report Goal mode; Monitor I workload group and service class period report; CACHE - Cache subsystem summary report; CHAN - Channel path activity report; DEVICE - Device activity report; Monitor I shared DASD activity; Monitor I shared tape activity report; FCD - FICON Director activity report; IOQ - I/O Queuing activity report ; HFS - Hierarchical File System global statistics report; HFS - Hierarchical File System statistics report ; OMVS - OMVS kernel activity report; PAGESP -Page/Swap data set activity report; PAGING - Paging Activity report; VSAM RLS activity by storage class; VSAM RLS activity by data set.
Face-to-face learning in the comfort of our quality nationwide centres, with free refreshments and Wi-Fi.
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